// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of "Eclipse Public License v1.0"

 // which accompanies this distribution, and is available

 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 //

 /**

  @file

  @test

  @internalComponent - Internal Symbian test code 

 */

 #include "tflowwindow.h"

 #include "surfaceutility.h"

 CTWindow* CTFlowWindow::NewL(RWsSession &aWs, const RWindowTreeNode &aParent, const TPoint& aStartingPoint, const TSize& aWindowSize)

     {

     CTFlowWindow * self = new (ELeave) CTFlowWindow(aStartingPoint, aWindowSize);

     CleanupStack::PushL(self);

     self->ConstructL(aWs, aParent);

     CleanupStack::Pop(self);

     return self;

     }

 CTFlowWindow::CTFlowWindow(const TPoint& aStartingPoint, const TSize& aWindowSize) : CTWindow(aStartingPoint, aWindowSize)

     {

     iImageInfo.iSizeInPixels = aWindowSize;

     iImageInfo.iPixelFormat = EUidPixelFormatXRGB_8888; //todo: is this format okay (EUidPixelFormatARGB_8888)?

     iImageInfo.iCpuAccess = ESgCpuAccessNone;

     iImageInfo.iUsage = ESgUsageOpenGlesTarget| ESgUsageDirectGdiSource | ESgUsageDirectGdiTarget;

     iImageInfo.iShareable = ETrue;

     iImageInfo.iScreenId = KSgScreenIdMain;

     }

 void CTFlowWindow::ConstructL(RWsSession &aWs, const RWindowTreeNode &aParent)

 	{

 	CTWindow::ConstructL(aWs, aParent);

 	User::LeaveIfError(iImageCollection.Create(iImageInfo, 1)); // creates an image collection with 1 image

 	User::LeaveIfError(iImageCollection.OpenImage(0, iImage)); // opens a handle to the image

 	// sets the image collection as background surface for the window

 	User::LeaveIfError(SetBackgroundSurface(iImageCollection.SurfaceId()));

 	// Connect to surface update session

 	User::LeaveIfError(iUpdateSession.Connect());

 	}

 CTFlowWindow::~CTFlowWindow()

     {

     iUpdateSession.Close();

     iImage.Close();

     iImageCollection.Close();

     }

 /**

  * Scales a bitmap from file to a surface.

  * 

  * @param aUtility Performs the loading of the bitmap and scaling to the surface.

  * @param aFileName Location of the bitmap.

  */

 void CTFlowWindow::LoadL(CSurfaceUtility* aUtility, TPtrC aFileName)

 	{

 	aUtility->ScaleBitmapFromFileToSurfaceL(aFileName, iImageCollection.SurfaceId());

 	}

 void CTFlowWindow::RenderL()

     {

     CTWindow::RenderL();

     TRequestStatus status;

     iUpdateSession.NotifyWhenAvailable(status);

     User::LeaveIfError(iUpdateSession.SubmitUpdate(KAllScreens, 

             iImageCollection.SurfaceId(), 0, &DirtyRegion()));

     User::WaitForRequest(status);

     }